Dust eliminator



Nov. 21, 1933. SHELLQRQSS'LEE 1,936,527

DUST ELIMINATOR Filed June 26, 1931 2 Sheets-Sheet l 109 If 14 I {P A JW Hargflkell0i039l,

INVENTOR 1933- H. SHELLCROSSLEE DUST ELIMINATOR Filed June 26, 1931 2 Sheets-Sheet 2 ffarzg filellc'r'a ss'le,

INVENTOR ATTORNEY WITNESS:

Patented Nov. 21, 1933 STATES PATENT @FFICEZ 1 Claim.

The object of this, my present invention, is the provision of a device for gathering and conveying ash dust which usually circulates around a basement or cellar when ashes are removed from the ashpit of a furnace.

A further object is the provision of a device for this purpose which is adjustable with respect to the fuel and to the ashpit door of the furnace, which is arranged angularly with respect to these doors so that ashes removed from the furnace may be shoveled into an ash receptacle arranged below one part of the improvement and wherein the dust from the ashes removed from the furnace and the dust from the ashes in the receptacle will be directed therefrom into the furnace through the fuel door thereof.

A further object is the provision of a device for this purpose that is characterized by simplicity in construction, cheapness in manufacture and thorough efficiency in practical use.

To the attainment of the foregoing the invention consists in the improvement hereinafter described and definitely claimed.

In the drawings:

Figure 1 is a side elevation of the improvement in applied position, parts being in section.

Figure 2 is a top plan view thereof.

Figure 3 is a sectional view approximately on the line 33 of Figure 1.

Figure 1 is a sectional view approximately on the line l4.- of Figure 3.

Figure 5 is a sectional View approximately on the line 55 of Figure 1.

Figure 6 is a plan view of one of the plates '1 employed.

Figure 7 is a detail view looking toward the outer end of the duct.

Figure 8 is a sectional view approximately on the line 88 of Figure 5.

As disclosed by the drawings the improvement includes a box-like member 1 that has an open bottom. The member may have two or more depending sides 2 but the lower portion of the said member 1 is partly open and the depending sides serve as legs or supports for the said member 1.

The member 1 has one of its sides provided with a substantially rectangular opening 3. To the sides of the opening there are secured vertically arranged offset guide plates 4 that receive therein the flanged end 5 of a duct 6. The flange 5 has its sides provided with elongated slots 5 (dotted line Figure 3 and full line Figure 4) Passed through the member 1, the elongated 'slots and guides 4, there are bolts '7 engaged by.

suitable nuts 7' which hold the flanged end 5 of the duct 6 at desired adjustable positions on the member and the removal of the nuts and bolts permits of the separation of the duct from the said member 1. The duct 6 is preferably square or rectangular in cross section and as disclosed by Figure 2 of the drawings is arranged at an angle with respect to the member 1, or in other words, the flanged end of the duct is cut at an 1 angle. This is also true with respect to the second end of the duct, the second end being also provided with acontinuous flange 8. One of the vertical elements of the flange 8 may be and preferably is slightly offset inwardly from the remainder of the flange and this offset portion is (0V indicated by the numeral 9 and is provided with spaced openings to receive therethrough short bolts 10 for attaching to the flange a plate 11. This feature of the improvement is desirable as the outer flanged end of the duct is designed to be 75. arranged over the frame 12 for the fuel inlet door 13 of the furnace, 14.

Secured to the under face of the duct 6, adjacent to the flanged end 8 thereof, there is a depending spout 15. The spout is formed of two sections, the outer section 16 telescopically receiving therein the inner and fixed section 15. The outer section 16 has its ends provided with a funnel-like flange 17 and the section 15 has secured thereto the end of one or more chains 18 designed to have certain of the links engaged by a hooker hooks 19 on the fixed section 15 of the spout. The adjustment of the spout is necessary in order that the funnel-shaped end thereof may be properly arranged directly above the frame for the ash door 20 of the furnace.

A receptacle 21 is arranged directly beneath the hollow box-like member 1 for the reception of ashes shoveled from the ashpit of the furnace. The ashpit door 20 is, of course, opened to permit of the ashes being removed therefrom. The dust from the ashes arising close to the furnace will be directed through the spout 15 into the duct and from thence will be directed through the door frame 12 into the furnace. Ashes arising from the receptacle 21 will pass through the member 1 and through the duct6 into the furnace. Thus it will be noted that with my improvement the ashes may be removed from the furnace and deposited into the receptacle 21 without permitting the dust therefrom circulating around the room in which the furnace 14 is positioned.

The device is wholly constructed of thin but strong metal so that the same can be conveng,

iently arranged in proper position with respect to the doors of the furnace when the ashes are to be removed therefrom and also whereby the device may be removed to another part of the room or basement in which the furnace is arranged when not required for use. The device is adjustable to properly be positioned on all types of furnaces and the construction and advantages of the improvement will, it is thought, he understood and appreciated by those skilled in the art without further detailed description. However, I deem it necessary to state that I do not wish to be restricted to the precise details herein set forth and, therefore, hold myself entitled to make such changes therefrom as fairly fall within the scope of What I claim.

Having described the invention, I claim:

A dust eliminator for the removal of ashes comprising a box-like member to be'positioned on the floor adjacent to the furnace and having the lower portion thereof open to permit a receptacle to be positioned under the member for receiving ashes removed from the ashpit of the furnace, the upper portion of said member having an opening to permit dust to escape, plates secured to the member at opposite sides of the opening and having offset portions forming ver tical guides, a duct having a flanged end arranged in the guides for vertical adjustment, means at the other end of the duct to engage the furnace about the fuel doorway thereof, a telescopic spout on the duct adjacent said means and adjustable to terminate adjacent the doorway of the ashpit of the furnace, means for retaining the spout in any of the suggested posi tions, and means for adjustably securing the flanged end of the duct to the vertical guides.

HARRY SHELLCROSSLEE. 

